Add testing files (#139)

* Fix channel select bugs

* Add testing files

* solve pre-commit warnings

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* extract out testing files

* Add pytest and CI config

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Set the testing files as expected for a user

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Make the testing files to pytest format

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Improve testing files

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Add more testing cases

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

.github/workflow/pytest.yml

@@ -0,0 +1,26 @@
+# .github/workflows/pytest.yml
+name: PyTest
+on: [push, pull_request, workflow_dispatch]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v2
+      - name: Setup Python
+        uses: actions/setup-python@v1
+        with:
+          python-version: "3.x"
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install --upgrade setuptools wheel
+          pip install -r requirements-dev.txt
+          pip install -e .
+      - name: Run Coverage Pytest
+        run: pytest --cov=./ --cov-report=xml
+      - name: Upload coverage reports to Codecov
+        uses: codecov/codecov-action@v3
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

echoshader/core.py

@@ -230,7 +230,7 @@ def echogram(
 
         else:
             if channel is None:
-                self.channel = self.MVBS_ds.channel.values
+                self.channel = self.MVBS_ds.channel.values.tolist()
             else:
                 self.channel = channel